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-rw-r--r--drivers/gpio/gpiolib.c3
-rw-r--r--include/linux/gpio/driver.h7
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index a57300c1d649..25187403e3ac 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1682,7 +1682,8 @@ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip,
irq_set_chained_handler_and_data(parent_irq, parent_handler,
gpiochip);
- gpiochip->irq.parents = &parent_irq;
+ gpiochip->irq.parent_irq = parent_irq;
+ gpiochip->irq.parents = &gpiochip->irq.parent_irq;
gpiochip->irq.num_parents = 1;
}
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 0ea328e71ec9..a4d5eb37744a 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -95,6 +95,13 @@ struct gpio_irq_chip {
unsigned int num_parents;
/**
+ * @parent_irq:
+ *
+ * For use by gpiochip_set_cascaded_irqchip()
+ */
+ unsigned int parent_irq;
+
+ /**
* @parents:
*
* A list of interrupt parents of a GPIO chip. This is owned by the

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